Which of the following bodies of water are extremely important for shipping in the Middle East, especially for the transport of oil? i. the Suez Canal
ii. the Persian Gulf
iii. the Tigris River
A.
i only
B.
i and ii only
C.
ii and iii only
D.
i, ii, and iii

b  

Explanation:

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no one should discriminated against because he or she is not from a minority group

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.